:root{--bg: #f6f4ef;--ink: #1d1c1a;--muted: #6f6c66;--accent: #0f6e56;--accent-ink: #ffffff;--agent: #ffffff;--user: #dcefe8;--faq: #fff7e0;--line: #d9d5cc;--radius: 14px;--font: "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.6}.page{max-width:720px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column;padding:16px;gap:12px}.header{display:flex;align-items:baseline;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:8px}.header h1{font-size:20px;margin:0;font-weight:600;letter-spacing:.02em}.chat{flex:1;display:flex;flex-direction:column;gap:10px;overflow-y:auto;padding:4px 0}.bubble{max-width:85%;padding:10px 14px;border-radius:var(--radius);box-shadow:0 1px 2px #0000000f;white-space:pre-wrap}.bubble-agent{background:var(--agent);align-self:flex-start;border-top-left-radius:4px}.bubble-user{background:var(--user);align-self:flex-end;border-top-right-radius:4px}.bubble-faq{background:var(--faq);border-left:3px solid #e0a020;border-radius:6px}.bubble-link{background:var(--accent);color:var(--accent-ink);text-decoration:none;align-self:flex-start;font-weight:600}.bubble-busy{color:var(--muted);font-style:italic}.composer{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);padding-top:12px}.choices{display:flex;flex-wrap:wrap;gap:8px}.choice{padding:10px 16px;border-radius:999px;border:1.5px solid var(--accent);background:transparent;color:var(--accent);font:inherit;font-weight:600;cursor:pointer;transition:background .12s,transform .12s}.choice:hover:not(:disabled){background:var(--user)}.choice:active:not(:disabled){transform:scale(.98)}.choice:focus-visible,.btn:focus-visible,.input:focus-visible{outline:3px solid #7fc8b2;outline-offset:2px}.choice:disabled,.btn:disabled{opacity:.5;cursor:not-allowed}.choice-confirm{min-width:96px}.slot-form{display:flex;gap:8px;flex-wrap:wrap}.input{flex:1;min-width:200px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}.btn{padding:10px 16px;border-radius:10px;border:none;background:var(--accent);color:var(--accent-ink);font:inherit;font-weight:600;cursor:pointer}.btn-ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}.voice{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.error{color:#a32d2d;font-size:14px;margin:0}.ended,.status{color:var(--muted);font-size:13px;margin:0}.gate{display:flex;flex-direction:column;gap:8px;align-items:flex-start}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}@media(prefers-reduced-motion:reduce){.choice{transition:none}}